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Galvanized ASTM A325 Heavy Hex Structural Bolt – Type 1

Updated 2026-11-04 · Markdown version

Model no. ASTM A325

US$0.0012 / piece

MOQ 10,000 pieces · Final price confirmed in your quote

Material: High Strength Steel
Head Style: Hexagonal
Standard: ASTM
Grade: 8.8
Surface Finishing: Galvanized
Package Size: 30.00cm * 26.00cm * 18.00cm
Hot-Dip Galvanized Coating: Provides long-lasting corrosion resistance with coating thickness of 45-85 μm
Heavy Hex Head Design: Larger bearing surface for improved load distribution and wrenching

Specifications are as listed for this product. Engineering Hardware & Fasteners confirms ratings, mating parts, compatibility, packing and lead time with you before you order.

Specifications

Customization	Available
Material	High Strength Steel
Type	Hexagon Head
Model NO.	ASTM A325
Groove	Hexagon
Connection	Common Bolt
Head Style	Hexagonal
Standard	ASTM
Grade	8.8
Surface Finishing	Galvanized
Inspection	100% QC Steps Inspect Before Shipment
Manufacture Processing	Cold Forging
Certification	ISO9001
Transport Package	Package
Specification	242414cm/302618cm
Origin	Wenzhou, China
HS Code	7318130000
Production Capacity	100000PCS/Day
Package Size	30.00cm * 26.00cm * 18.00cm
Package Gross Weight	25.000kg
Lead Time	10 days (1 - 50000 Pieces) To be negotiated ( > 50000 Pieces)
Structural Steel Construction	Bridges, industrial buildings, and transmission towers
Heavy Equipment Manufacturing	Machinery bases and structural supports
Outdoor Infrastructure	Highway systems, signage structures, and utility installations
Marine and Coastal Projects	Port facilities and seaside structures (non-immersed applications)
Hot-Dip Galvanized Coating	Provides long-lasting corrosion resistance with coating thickness of 45-85 μm
Heavy Hex Head Design	Larger bearing surface for improved load distribution and wrenching
High Strength	Meets ASTM A325 Type 1 mechanical properties
Controlled Threading	Precision-rolled threads maintain fatigue resistance
Standard Compliance	Conforms to ASTM A325 standards
Standard Warranty	12 months or 2,000 operating hours (whichever comes first).
Extended Warranty	Optional coverage up to 36 months.
Global Support	24/7 technical assistance and spare parts supply.
Training	On-site or remote operation/maintenance training.
Category	Structural & Heavy Hex Bolts

Technical parameters

Model	EX200	EX300	EX400
Operating Weight (kg)	20,000	30,500	45,000
Engine Power (kW)	110	165	220
Bucket Capacity (m³)	0.8–1.2	1.2–1.8	1.8–2.5
Max Digging Depth (m)	6.2	7.5	8.8
Max Reach (m)	9.5	11.2	13.6
Fuel Tank (L)	350	450	600

Description

Galvanized ASTM A325 Heavy Hex Structural Bolt – Type 1 is part of our structural & heavy hex bolts range (Bolts).

Key details

Type: Hexagon Head
Standard: ASTM
Material: High Strength Steel
Grade: 8.8
Head Style: Hexagonal
Groove: Hexagon
Connection: Common Bolt
Certification: ISO9001

Available configurations include material, head style, standard, grade and surface finishing. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request.

Ordering through Engineering Hardware & Fasteners

Minimum order is 10,000 pieces at US$0.0012 per piece. Send one inquiry with the part number, quantity and destination, and Engineering Hardware & Fasteners confirms size, thread, material, grade, finish, price, lead time and shipping, checks the goods before dispatch and ships them to you.

Frequently asked questions

What is the minimum order quantity (MOQ) for Galvanized ASTM A325 Heavy Hex Structural Bolt – Type 1?

The listed minimum order is 10,000 pieces, at US$0.0012 per piece. Smaller trial quantities or samples can be requested in your inquiry; Engineering Hardware & Fasteners confirms what is possible for your size.

What are the main specifications of Galvanized ASTM A325 Heavy Hex Structural Bolt – Type 1?

Type: Hexagon Head; Standard: ASTM; Material: High Strength Steel; Grade: 8.8; Head Style: Hexagonal; Groove: Hexagon. The full specification table and any technical parameter tables are listed on this page.

Can this product be customized (OEM)?

Listed configurations include material, head style, standard, grade and surface finishing. Size, thread, length, material and grade, surface finish, head marking, packaging and labels can be quoted to your specification or drawing.

What is the lead time and how is it shipped?

Lead time depends on quantity and customization and is confirmed in your quote. Engineering Hardware & Fasteners checks the goods before dispatch and ships by express, air or sea; mixed orders can be consolidated in one shipment.

Which other structural & heavy hex bolts are available?

The Structural & Heavy Hex Bolts category lists 2,565 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/bolts/structural-heavy-hex-bolts/

How we work

Specified, checked and shipped by Engineering Hardware & Fasteners

Engineering Hardware & Fasteners supplies bolts, screws, nuts, washers, anchors, rivets and fastening hardware to equipment makers, contractors, distributors and maintenance teams. Orders go through one controlled process: size, thread, material, grade and finish confirmed, samples approved, dimensions, thread fit and plating checked before packing, then packed for export — standard or made to drawing.

DIN, ISO, ASTM, ANSI, JIS and GB standard parts
Non-standard parts made to your drawing
Dimensions, thread gauges and plating checked before packing
Export cartons and pallets, consolidated mixed orders
Samples available for approval before mass production

More about us → · Request a sample or custom quote →

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US$0.0012MOQ 10,000 piecesGet a quote WA